At the time, I always hated The Sweet, who I regarded as pop puppets in the Chinnichap sway. I'll never give up my Tyrannosaurus Rex/T. Rex fandom. Even Bowie couldn't cut a dent in it at the time, so Sweet - and even more disliked rivals Slade - didn't have a chance.
But here's a short contemporary documentary on The Sweet and their own thoughts, which are, not surprisingly, that they didn't think of themselves as a bubblegum band.